Dust the liver with the flour, seasoned with a little salt and pepper.
Melt half the butter and fry (sauté) the onion for 2
minutes to soften. Stir in half the paprika and fry
for 1 minute. Transfer with a draining spoon to a
casserole (Dutch oven).
Melt the remaining butter
and fry the liver quickly to brown. Transfer to the
casserole.
Meanwhile, bring the stock to the boil in
a saucepan.
Add the pasta and
cook
for 8 minutes until nearly
tender.
Stir in the soup. Pour over the liver and
stir well. Season with a little more salt and
pepper.
Cover and bake at
180°C/350°F/gas mark 4 for 30 minutes. serve garnished with the soured cream and
a dusting of the
remaining
paprika.